Mirador viewer

TypeError: Failed to fetch

{
  "manifest": {
    "error": "TypeError: Failed to fetch",
    "id": "https://iiif.quartexcollections.com/hcpl/iiif/db277d78-92ac-46cb-a76f-44b712148524/manifest",
    "isFetching": false
  },
  "window": {
    "collectionIndex": 0,
    "companionAreaOpen": true,
    "companionWindowIds": [
      "cw-a1fac73d-eb2c-4d60-b87b-2bb41b2e660e",
      "cw-7a8a6e40-9ce4-4195-9d20-8a5ad811a070"
    ],
    "draggingEnabled": true,
    "highlightAllAnnotations": false,
    "id": "window-774ae1e9-bc72-40be-a338-1005ec34e07a",
    "manifestId": "https://iiif.quartexcollections.com/hcpl/iiif/db277d78-92ac-46cb-a76f-44b712148524/manifest",
    "maximized": false,
    "rangeId": null,
    "rotation": null,
    "selectedAnnotations": {},
    "sideBarOpen": false,
    "sideBarPanel": "info",
    "thumbnailNavigationId": "cw-7a8a6e40-9ce4-4195-9d20-8a5ad811a070",
    "thumbnailNavigationPosition": "far-bottom"
  }
}